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Dermatophagia. Dermatophagia (from Ancient Greek δέρμα (derma) 'skin' and φαγεία (phageia) 'eating') or dermatodaxia (from δήξις (dexis) 'biting') [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a ...
Russell's sign, named after British psychiatrist Gerald Russell, is a sign [1] defined as calluses on the knuckles [2] or back of the hand due to repeated self-induced vomiting over long periods of time. The condition generally arises from the patient's knuckles making contact with the incisor teeth during the act of inducing the gag reflex at ...
The symptoms of scabies are due to an allergic reaction to the mites. [2] Often, only between 10 and 15 mites are involved in an infection. [ 2 ] Scabies is most often spread during a relatively long period of direct skin contact with an infected person (at least 10 minutes) such as that which may occur during sexual activity or living together.
When a black widow spider bites, it typically causes a painful pinprick sensation. The site of the bite then swells slightly and forms a red rash. You might see two fang marks inside the bite area ...
Do you know what chigger bites look like? The tiny mites may leave behind small, itchy red bumps around your ankles that can be easily confused for other types of insect bites. "They tend to be in ...
Tinea manuum. Diabetes, high blood pressure, weak immune system, humid surroundings, excessive sweating, recurrent hand trauma and cracks, pet owners, farmworkers. [3] Tinea manuum is a fungal infection of the hand, mostly a type of dermatophytosis, often part of two feet-one hand syndrome. [2][4] There is diffuse scaling on the palms or back ...
Avoid crushing ticks with your fingers. Monitor bitten area: For 30 days, ... but tick bites can cause flu-like symptoms and diseases that develop over time. A tick bite usually looks like a small ...
Prognosis. Good with treatment, poor if widespread disease [1] Sporotrichosis, also known as rose handler's disease, [2] is a fungal infection that may be localised to skin, lungs, bone and joint, or become systemic. [2][4] It presents with firm painless nodules that later ulcerate. [3]